62 results about "Grindstone" patented technology

The utility model relates to a knife sharpening auxiliary structure and a knife sharpening device, and belongs to the technical field of knife sharpeners. The cutter placing table comprises a base and limiting assemblies arranged on the base left and right, the limiting assemblies are symmetrically located on the two sides of the base, each limiting assembly comprises a first limiting plate and a second limiting plate, and a limiting gap used for limiting a cutting edge is formed between the first limiting plate and the second limiting plate which are parallel to each other; the first limiting plate and the second limiting plate incline downwards towards the center point of the base. The utility model provides a knife sharpening auxiliary structure and a knife sharpening device, which ensure that the grinding angle is accurate and consistent through an inclined limiting plate and improve the grinding quality. The two faces of the knife stone assembly are different in roughness, coarse grinding and accurate grinding can be rapidly switched, and the grinding efficiency is improved. And the cutter placing table and the fixing seat are quickly disassembled and assembled, and the universality is high. The overturning assembly is ingenious in design, it is guaranteed that the knife stone is overturned flexibly and stably, user experience is optimized, the cutting edge is evenly ground through the two-way sliding design, and the knife connecting trace is eliminated.

The utility model relates to the technical field of grinding wheel dressing, and discloses a dressing device which is used for dressing a grinding wheel and comprises a workbench, a grinding stone, a pressurizing piece and a lifting mechanism. The grinding stone is connected to the workbench and used for bearing the grinding wheel. The pressurizing piece is positioned above the millstone; the lifting mechanism is connected to the pressurizing piece and can drive the pressurizing piece to be close to the grinding stone so that the pressurizing piece can abut against the grinding wheel. According to the dressing device, the pressure applied to the grinding wheel by the pressurizing piece each time can be kept consistent through the lifting mechanism, accurate control over the grinding amount of the grinding wheel by the grinding stone is achieved, the defect that in the prior art, the grinding amount is uneven due to manual operation differences is overcome, the unified standard is provided for grinding wheel dressing, and the dressing efficiency is improved. The stability of the grinding wheel dressing effect is improved, the grinding efficiency is improved, and the consistency of the grinding quality of the grinding wheel is ensured.

The present invention addresses the problem of providing a novel grinding device that causes little damage to a workpiece and can perform machining with high efficiency. The processing device is provided with: a grindstone in which abrasive grains are dispersed in a binder containing a thermoplastic resin; and a temperature adjusting mechanism for adjusting the temperature of the contact surface between the grinding tool and the object to be processed according to the processing mode.

The grindstone (10) with the shaft comprises a grindstone seat (11), a grindstone shaft (12) and a grindstone (13), one end of the grindstone shaft (12) is supported by the grindstone seat (11), and the grindstone (13) is installed on the grindstone shaft (12). Guide shapes (15a, 17, 18, 18a) are provided on the grindstone seat (11), and the grindstone seat (11) is provided so that the flow direction of the grinding fluid discharged toward the outer peripheral surface of the grindstone seat (11) is changed while the grinding fluid is supplied to the grinding site of the workpiece (1).

A machine tool (100) comprises: a grinding unit (4) that is provided with a tool spindle (1), a tool exchange mechanism (81) for attaching / detaching a tool to / from the tool spindle (1), a grindstone (42), and a drive mechanism (44) for transmitting the rotation of the tool spindle (1) to the grindstone (42) and converting the rotation direction or the rotation speed thereof; a stocker (5) that accommodates the grinding unit (4); a tool magazine that accommodates a tool different from the grindstone (42), the tool magazine being disposed outside a processing chamber (900); and an opening / closing door (D) that is provided on the front surface of the processing chamber (900). The tool exchange mechanism (81) partitions the tool magazine (910) and the processing chamber (900), and includes an opening / closing shutter (31) that opens and closes in order to deliver a tool between the tool spindle (1) and the tool magazine (910). The stocker (5) is disposed on the same side as the opening / closing shutter (31) in the lateral direction as viewed from the opening / closing door (D) within the processing chamber (900) in which the tool spindle (1) is disposed.

A method of manufacturing a grinding wheel includes a surface unevenness forming step of applying ultrasonic vibrations from an ultrasonic vibration applying unit through water to an annular slot defined in a surface of an annular base along circumferential directions thereof, thereby forming surface unevennesses on either one or both of a side surface and a bottom surface of the annular slot, and, after the surface unevenness forming step, a grindstone fixing step of fixing a plurality of grindstones to the annular slot with an adhesive.

A processing method includes: holding a workpiece on a holding surface of a holding table; processing the workpiece by a grindstone tool; and dressing the grindstone tool by bringing a dressing member into contact with the grindstone tool while feeding the dressing member in a stretching direction, the dressing member containing abrasive grains and linearly stretching.

To provide a grinding method of a semiconductor crystal capable of achieving higher grinding accuracy by managing plastic deformation more precisely and in detail as a plastic deformation mechanism of an end face of a semiconductor crystal ingot or a wafer surface, and a grinding wheel for grinding used in the grinding method.SOLUTION: In the method for grinding the Si wafer 100, a plastically deformed area 100A is formed on the front face of the wafer 100 by a temperature rise caused by friction with the grindstone 53 from the grindstone 53 and a pressing force for pressing the wafer 100 against the grindstone 53 via the spindle 51, and the plastically deformed area 100A is ground by the grindstone 53 while performing functional polishing by including a functional additive in the grindstone 53 on the front face of the plastically deformed area 100A.SELECTED DRAWING: Figure 4

The utility model relates to the technical field of cutting equipment, and discloses a cutting machine with a knife sharpening function, which comprises cutting machine equipment, the top end of the cutting machine equipment is fixedly connected with two adjusting brackets, the adjusting brackets are internally provided with through grooves, the through grooves are internally connected with movable brackets in a sliding manner, and the movable brackets are fixedly connected with the cutting machine equipment. A support plate is fixedly connected to one side of the movable support, and a grinding device is installed at the bottom end of the support plate. According to the cutting machine with the knife sharpening function, when knife sharpening is needed, only the support needs to be lowered through simple operation, the knife sharpening stone can rapidly fall to make contact with a cutter of the cutting machine for grinding, complex adjusting and aligning processes are not needed, the operation time is greatly saved, the working efficiency is improved, when knife sharpening is not needed, the knife sharpening stone is lifted, the working area is wider, and the working efficiency is improved. Other operations such as cutting are facilitated, occupation and interference of the knife stone on a working space are avoided, and obstacles in a working area are reduced.

1. Name of the product in this design: Sharpening stone. 2. Purpose of this design: A whetstone for sharpening knife blades. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

To provide a lightweight grindstone for a roll sharpener having a structure that can be easily manufactured. [Solution] The roll sharpener grinding wheel of the present invention comprises two curved, dome-shaped diamond grinding wheels, one on the left and one on the right, each with a polygonal cross-section hole in the center; a roughly truncated cone-shaped plastic disk, which has a polygonal cross-section hole in the center and is fitted inside the diamond grinding wheels; and a support part that is inserted into the through-holes to support the two diamond grinding wheels and two plastic disks, with the plastic disks fitted inside each of the two diamond grinding wheels and the grinding faces of the two diamond grinding wheels facing each other, and the cross-section of the support part is the same shape as the cross-section of the through-holes in the two diamond grinding wheels and the two plastic disks.

This utility model relates to the field of power tool technology, specifically a handheld electric scissors with a grinding assembly. A handheld electric scissors includes a rotating blade, a housing, a motor driving the blade's rotation, and a grinding assembly for sharpening the blade. The grinding assembly includes a sharpening stone, a user-rotatable driving member, a driven member that rotates with the driving member, and a biasing member that applies a restoring force to the sharpening stone. The sharpening stone can switch between a first (working) and a second (non-working) position. The driven member is fixed to the sharpening stone, and has a pushed portion; the driving member has a pushing portion, and the pushed portion and the pushing portion abut against each other via a slope. When the user rotates the driving member around its central axis, the pushing portion presses against the pushed portion, causing the driven member to overcome the force of the biasing member and move along the central axis, switching the sharpening stone from the second position to the first position, thus achieving the sharpening and maintenance of the rotating blade. This utility model ensures simple and convenient sharpening operation through the grinding assembly, effectively maintaining the blade's sharpness.

1. Name of the product in this design: Sharpening stone (suction cup). 2. Purpose of this design: Grinding cutting tools. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A glass plate manufacturing device (1) is provided with: a processing unit (3) including a grindstone (3a) for processing an end surface (Ga) of a glass plate (G); a holding member (4) that holds the machined part (3) at one end (4a); a shaft section (8) that rotatably supports the holding member (4); and a traveling base (7) that supports the shaft section (8), the processing section (3) being configured so as to process the end surface (Ga) of the glass plate (G) after departing from the departing position (12). The counterweight body (9) attached to the holding member (4) functions to suppress the rotational movement of the holding member (4) around the shaft section (8) while the processing section (3) moves to the processing start position (13) of the end surface (Ga) of the glass plate (G) along with acceleration after departing from the departing position (12).

The utility model belongs to the technical field of grinding tools, and particularly relates to a T-shaped groove double-rail sliding block type water tank grinding knife rest, parallel rails are arranged on the upper surface and the lower surface of the grinding knife rest, square-head rail screws are installed in the rails in a sliding mode, butterfly nuts are installed at the ends of the square-head rail screws in a screwing mode, and the square-head rail screws are connected with the butterfly nuts in a screwing mode. Two upper sliding blocks used for clamping a knife stone are installed on the upper surface of the knife sharpening frame, two lower sliding blocks used for supporting a water tank are installed on the lower surface of the knife sharpening frame, and the upper sliding blocks and the lower sliding blocks are arranged outside square-head rail screws in a sleeving mode. Therefore, the square-head rail screw and the butterfly nut can be conveniently matched to fix the upper sliding block on the upper surface of the knife sharpening frame, and the square-head rail screw and the butterfly nut can be conveniently matched to fix the lower sliding block on the lower surface of the knife sharpening frame, so that the two upper sliding blocks on the upper surface of the knife sharpening frame can clamp and fix the knife sharpening stone. And the two lower sliding blocks are matched to limit the inner side of the water tank, so that the purpose that the knife stone is mounted on the water tank through the knife sharpening frame is achieved.

To provide a dressing device, a dressing method, and a tip manufacturing method capable of suitably controlling relative movement of a dresser board and a grinding wheel in a direction crossing a sliding surface during dressing or a load applied between them during dressing.SOLUTION: The dressing apparatus includes a board holding part that holds the dresser board, a moving part that moves the board holding part and the grindstones relative to each other in a direction intersecting sliding surfaces of the grindstones and the dresser board, and a measuring part that measures a load applied to the dresser board.SELECTED DRAWING: Figure 2

The knife stone is installed on a double-pool basin body with a left water tank and a right water tank and comprises a knife sharpening block and an adhesive layer, the adhesive layer is installed on the upper surface of the middle cross beam of the double-pool basin body in an adhesive mode, and a buffering cushion is arranged between the knife sharpening block and the adhesive layer. The knife stone is provided with a buffer pad and an adhesive layer adhered to the connecting plate, the connecting plate can be independently mounted in the arrangement groove of the washing basin and locked, stability during knife sharpening operation is guaranteed, a user can easily insert fingertips into gaps in the periphery of the adhesive layer when the knife sharpening block is abraded and needs to be replaced, and the knife sharpening block is convenient to replace. The replaceable connecting plate has the advantages that the replaceable connecting plate is simple in structure, convenient to mount and operate, capable of being repeatedly used, economical, practical, flexible to use, reasonable in design and compact in structure, and the replaceable connecting plate is convenient to mount and operate and has a good market prospect.

1. The name of the design product: grinding disc (1). 2. The use of the design product: used for grinding and polishing the surface of materials such as concrete, grindstone, diamond sand, stone, ceramic, rock plate, etc. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view.

To provide a dresser capable of efficiently processing a grinding wheel suitable for polishing a gear in which the thickness of a dedendum is secured.SOLUTION: A dresser that processes a grindstone that polishes a gear, the dresser comprising: a first processing curved surface and a second processing curved surface that respectively form a first curved surface and a second curved surface positioned in order from a tooth surface to a tooth tip surface of the grindstone, wherein a radius of curvature of the second processing curved surface is smaller than a radius of curvature of the first processing curved surface.SELECTED DRAWING: Figure 1

A processing device includes: three linear guides disposed at three vertices of a triangle in plan view as viewed from a direction parallel to a first direction; a processing unit supported by the linear guides to lift and lower in the first direction; a feed mechanism that lifts and lowers the processing unit in the first direction; and a holding mechanism that holds a processing object below the processing unit, in which the processing unit supports a grindstone to face the processing object and includes a spindle unit that rotates the grindstone around a rotation center, a centroid of the processing unit is located inside the triangle, and when the grindstone is rotated, the grindstone passes through a position not overlapping a centroid of the triangle and passes through a position deviated from the centroid of the triangle toward a location where a force is applied to the processing unit.

1. Name of the design product: grinding tool. 2. Use of the design product: used for grinding and polishing the surface of materials such as concrete, grindstone, diamond sand, stone, ceramic, rock plate, etc. 3. Design points of the design product: the combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view.

The utility model discloses an automatic cutter grinding device of garden machinery, and relates to the technical field of grinding devices. Comprising a shell, a mounting groove is formed in the top end of the shell, a moving mechanism is arranged in the mounting groove in a penetrating mode and comprises a moving frame slidably connected to the top end of the shell, a fixed shell is fixed between the inner walls of the two sides of the moving frame, two sliding frames are slidably connected to the outer wall of the fixed shell, and mounting shells are arranged on the sides, close to each other, of the two sliding frames; fixing blocks are inserted into the sides, close to each other, of the two mounting shells, and knife grinders are fixed to the sides, close to each other, of the two fixing blocks. According to the utility model, the push rod is driven to move downwards by pressing the fixing plate, so that the push block moves downwards, the second spring drives the mounting plate to move, the sliding rod is in contact with the surface of the push block, the connecting rod moves into the insertion shell, and then the fixing piece is lifted to take out the insertion shell while the fixing plate is pressed.

A grinding unit (4) is attached to a tool main-shaft (1) of a machine tool (100) and is used for grinding gears. The grinding unit (4) comprises: a discoidal grindstone (42) for grinding gears; a drive mechanism (44) that transmits the rotation of the tool main-shaft (1) to the grindstone (42) and that changes the rotation direction or the rotation speed of the grindstone (42); and a proximity sensor (43) that detects the phase of the gears. The proximity sensor (43) is provided closer to the tip of the grinding unit (4) than the grindstone (42) is.

The present invention addresses the problem of providing a processing device capable of processing a high-hardness object to be processed with high quality. In a plan view viewed from a direction parallel to the first direction, three linear guides are disposed at positions corresponding to three vertices of a triangle. The processing unit is supported by a linear guide rail so as to be liftable in a first direction. The feeding mechanism raises and lowers the processing unit in the first direction. The holding mechanism holds the object to be processed below the processing unit. The machining unit includes a spindle unit that supports the grindstone so that the grindstone faces the object to be machined held by the holding mechanism and rotates about a rotation center parallel to the first direction. In a plan view, the center of gravity of the machining unit is located inside the triangle, and when the grindstone is rotated about the center of rotation, the grindstone passes through a position that does not overlap the center of gravity of the triangle and is offset from the center of gravity of the triangle toward a portion where the feeding mechanism applies a force in the lifting direction to the machining unit.

The utility model discloses a sharpening support with an angle locking clamp, and relates to the technical field of sharpening supports. The knife sharpening support with the angle locking clamp comprises a bottom plate, and a knife sharpening stone is arranged on the upper surface of the bottom plate; the positioning assembly is used for fixing the knife stone on the bottom plate, the positioning assembly comprises a positioning frame arranged on the upper surface of the bottom plate, and the knife stone is arranged in the positioning frame; and the adjusting assembly is used for adjusting the angle of the positioned knife stone, and the adjusting assembly comprises a rotating block fixedly arranged on the lower surface of the end of the positioning frame and a first rotating frame fixedly arranged on the upper surface of the bottom plate. According to the knife sharpening support, the adjusting assembly is arranged, so that in the actual use process of the knife sharpening support, the inclination angle of the knife sharpening stone can be adjusted, a worker can polish the cutting edge of a knife in an inclined mode, and the use stability of the knife sharpening stone with the angle adjusted can be guaranteed.

A raw material for a ceramic ball according to an embodiment has a spherical portion and a belt-shaped portion formed in a belt shape. The raw material for the ceramic ball is characterized in that, when a circularity when viewed in a height direction of the belt-shaped portion is set as C, the circularity C is in a range exceeding 0% and 2.5% or less. The raw material for the ceramic ball can improve durability of a grindstone at the time of polishing processing. In addition, the ceramic can use any one or more of alumina, silicon nitride, boron nitride, and zirconia.

This method for manufacturing a substrate is applied to a grinding device having a grindstone capable of rotationally grinding the substrate. In this method, a surface of a bonded substrate obtained by bonding a plurality of substrates is ground, at least one among the bonded substrate and the grindstone is relatively inclined, and an outer peripheral portion on the surface side of the bonded substrate is ground.

A raw material for a ceramic ball according to an embodiment includes a spherical portion and a band-shaped portion formed in a band shape. The raw material for ceramic balls is characterized in that when the roundness when viewed from the height direction of the band-shaped portion is set as C, the roundness C is in the range of more than 0% and 2.5% or less. The raw material for ceramic balls can improve the durability of a grindstone during grinding. In addition, any one or more of aluminum oxide, silicon nitride, boron nitride and zirconium oxide can be applied to the ceramic.